[FLINK-29834] Clear Jackson TypeFactory cache on CL release

apache · Nov 2, 2022 · 00cda36 · 00cda36
1 parent 5085c61
commit 00cda36
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/...rc/main/java/org/apache/flink/runtime/execution/librarycache/BlobLibraryCacheManager.java b/...rc/main/java/org/apache/flink/runtime/execution/librarycache/BlobLibraryCacheManager.java
@@ -28,6 +28,8 @@
 import org.apache.flink.util.Preconditions;
 import org.apache.flink.util.UserCodeClassLoader;
 
+import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.type.TypeFactory;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -452,6 +454,8 @@ private void releaseClassLoader() {
  "Failed to release user code class loader for "
  + Arrays.toString(libraries.toArray()));
  }
+ // clear potential references to user-classes in the singleton cache
+ TypeFactory.defaultInstance().clearCache();
  }
 
  private void runReleaseHooks() {